🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.46 AU - 0.58 AU

Year: 238 Days

Day: 22.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.51 AU - 0.59 AU

Year: 259 Days

Day: 23.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94

Radius: 14.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.79 AU - 0.89 AU

Year: 489 Days

Day: 10 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,635,442 km

• M1: 184,903 km (0.102 R)
• M2: 284,086 km (0.066 R)
• M3: 428,149 km (0.08 R)
• M4: 531,072 km (0.119 R)
• M5: 647,759 km (0.11 R)
• M6: 758,910 km (0.106 R)
• M7: 886,218 km (0.106 R)
• M8: 994,676 km (0.097 R)
• M9: 1,098,647 km (0.094 R)
• M10: 1,206,806 km (0.037 R)
• M11: 1,322,146 km (0.119 R)
• M12: 1,479,972 km (0.036 R)
• M13: 1,644,380 km (0.102 R)
• M14: 1,788,742 km (0.104 R)
• M15: 1,879,847 km (0.063 R)
• M16: 2,031,389 km (0.09 R)
• M17: 2,150,918 km (0.077 R)
• M18: 2,277,029 km (0.101 R)
• M19: 2,405,683 km (0.092 R)
• M20: 2,618,412 km (0.046 R)
• M21: 2,873,177 km (0.117 R)
• M22: 2,976,549 km (0.097 R)
• M23: 3,122,556 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.9

Radius: 12.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.2 AU - 1.3 AU

Year: 889 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 40,635,442 km

• M1: 172,636 km (0.099 R)
• M2: 273,764 km (0.109 R)
• M3: 369,806 km (0.116 R)
• M4: 482,902 km (0.085 R)
• M5: 647,310 km (0.114 R)
• M6: 820,844 km (0.084 R)
• M7: 941,569 km (0.079 R)
• M8: 1,114,803 km (0.044 R)
• M9: 1,391,709 km (0.069 R)
• M10: 1,561,054 km (0.082 R)
• M11: 1,698,684 km (0.102 R)
• M12: 1,816,567 km (0.067 R)
• M13: 2,044,105 km (0.082 R)
• M14: 2,144,635 km (0.102 R)
• M15: 2,246,810 km (0.074 R)
• M16: 2,376,811 km (0.093 R)
• M17: 2,572,335 km (0.102 R)
• M18: 2,932,118 km (0.096 R)
• M19: 3,123,005 km (0.102 R)
• M20: 3,239,392 km (0.102 R)
• M21: 3,446,885 km (0.1 R)
• M22: 3,577,633 km (0.096 R)
• M23: 3,823,123 km (0.054 R)
• M24: 3,958,509 km (0.065 R)
• M25: 4,074,448 km (0.078 R)
• M26: 4,170,041 km (0.037 R)
• M27: 4,374,391 km (0.091 R)
• M28: 4,450,537 km (0.102 R)
• M29: 4,571,113 km (0.099 R)
• M30: 4,815,555 km (0.054 R)
• M31: 5,052,967 km (0.119 R)
• M32: 5,190,448 km (0.083 R)
• M33: 5,574,765 km (0.054 R)
• M34: 5,896,250 km (0.076 R)
• M35: 5,980,474 km (0.084 R)
• M36: 6,187,069 km (0.114 R)
• M37: 6,321,856 km (0.083 R)
• M38: 6,495,091 km (0.05 R)
• M39: 6,607,140 km (0.07 R)
• M40: 6,732,503 km (0.087 R)
• M41: 6,985,622 km (0.096 R)
• M42: 7,138,960 km (0.112 R)
• M43: 7,216,003 km (0.068 R)
• M44: 7,293,495 km (0.1 R)
• M45: 7,436,061 km (0.08 R)
• M46: 8,002,439 km (0.071 R)
• M47: 8,338,286 km (0.108 R)
• M48: 8,514,662 km (0.088 R)
• M49: 8,665,008 km (0.106 R)
• M50: 8,857,540 km (0.032 R)
• M51: 9,163,019 km (0.108 R)
• M52: 9,274,918 km (0.119 R)
• M53: 9,443,665 km (0.073 R)
• M54: 9,570,973 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.3

Radius: 13.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.41 AU - 1.75 AU

Year: 1263 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 40,635,442 km

• M1: 195,674 km (0.038 R)
• M2: 309,518 km (0.117 R)
• M3: 429,047 km (0.093 R)
• M4: 553,213 km (0.097 R)
• M5: 887,415 km (0.045 R)
• M6: 973,882 km (0.102 R)
• M7: 1,235,828 km (0.026 R)
• M8: 1,325,736 km (0.099 R)
• M9: 1,435,092 km (0.112 R)
• M10: 1,609,374 km (0.099 R)
• M11: 1,717,683 km (0.099 R)
• M12: 1,828,385 km (0.1 R)
• M13: 2,275,832 km (0.09 R)
• M14: 2,481,230 km (0.115 R)
• M15: 2,596,869 km (0.114 R)
• M16: 2,757,538 km (0.06 R)
• M17: 2,976,998 km (0.118 R)
• M18: 3,111,486 km (0.107 R)
• M19: 3,259,588 km (0.072 R)
• M20: 3,456,758 km (0.084 R)
• M21: 3,658,117 km (0.113 R)
• M22: 3,814,746 km (0.092 R)
• M23: 3,948,935 km (0.105 R)
• M24: 4,222,250 km (0.09 R)
• M25: 4,450,686 km (0.094 R)
• M26: 4,566,325 km (0.111 R)
• M27: 4,946,154 km (0.096 R)
• M28: 5,106,374 km (0.067 R)
• M29: 5,200,620 km (0.091 R)
• M30: 5,322,692 km (0.083 R)
• M31: 5,459,425 km (0.058 R)
• M32: 5,652,855 km (0.107 R)
• M33: 5,933,351 km (0.099 R)
• M34: 6,132,316 km (0.039 R)
• M35: 6,391,419 km (0.116 R)
• M36: 6,493,146 km (0.103 R)
• M37: 7,190,571 km (0.109 R)
• M38: 7,281,377 km (0.12 R)
• M39: 7,479,295 km (0.087 R)
• M40: 8,178,366 km (0.104 R)
• M41: 8,432,084 km (0.059 R)
• M42: 8,768,978 km (0.088 R)
• M43: 8,882,224 km (0.093 R)
• M44: 9,373,354 km (0.105 R)
• M45: 9,539,108 km (0.082 R)
• M46: 9,655,645 km (0.109 R)
• M47: 10,075,865 km (0.095 R)
• M48: 10,347,984 km (0.054 R)
• M49: 10,484,866 km (0.1 R)
• M50: 10,639,700 km (0.113 R)
• M51: 11,021,324 km (0.102 R)
• M52: 11,284,167 km (0.096 R)
• M53: 11,833,940 km (0.056 R)
• M54: 12,085,114 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 10.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.5 AU - 1.82 AU

Year: 1360 Days

Day: 12.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,635,442 km

• M1: 130,749 km (0.117 R)
• M2: 219,610 km (0.09 R)
• M3: 334,650 km (0.114 R)
• M4: 468,092 km (0.099 R)
• M5: 540,946 km (0.113 R)
• M6: 633,098 km (0.101 R)
• M7: 798,254 km (0.084 R)
• M8: 863,629 km (0.114 R)
• M9: 974,181 km (0.053 R)
• M10: 1,214,884 km (0.103 R)
• M11: 1,364,632 km (0.114 R)
• M12: 1,940,135 km (0.098 R)
• M13: 2,076,418 km (0.112 R)
• M14: 2,151,517 km (0.041 R)
• M15: 2,268,951 km (0.097 R)
• M16: 2,479,884 km (0.106 R)
• M17: 2,597,019 km (0.071 R)
• M18: 2,728,665 km (0.102 R)
• M19: 2,862,705 km (0.031 R)
• M20: 2,972,809 km (0.086 R)
• M21: 3,124,052 km (0.069 R)
• M22: 3,230,865 km (0.093 R)
• M23: 3,298,184 km (0.111 R)
• M24: 3,427,437 km (0.052 R)
• M25: 3,648,991 km (0.098 R)
• M26: 3,782,881 km (0.102 R)
• M27: 4,004,735 km (0.116 R)
• M28: 4,476,417 km (0.037 R)
• M29: 4,642,620 km (0.092 R)
• M30: 4,911,448 km (0.102 R)
• M31: 5,043,842 km (0.084 R)
• M32: 5,248,641 km (0.092 R)
• M33: 5,320,149 km (0.101 R)
• M34: 5,488,447 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 10.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.05 AU - 5.61 AU

Year: 7824 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 40,635,442 km

• M1: 130,599 km (0.088 R)
• M2: 203,752 km (0.073 R)
• M3: 309,069 km (0.046 R)
• M4: 595,848 km (0.085 R)
• M5: 680,521 km (0.114 R)
• M6: 1,045,839 km (0.056 R)
• M7: 1,353,113 km (0.112 R)
• M8: 1,627,326 km (0.098 R)
• M9: 1,898,098 km (0.062 R)
• M10: 1,984,266 km (0.077 R)
• M11: 2,273,888 km (0.079 R)
• M12: 2,412,266 km (0.084 R)
• M13: 2,819,621 km (0.088 R)
• M14: 3,352,488 km (0.088 R)
• M15: 3,563,720 km (0.116 R)
• M16: 3,888,946 km (0.077 R)
• M17: 4,280,593 km (0.058 R)
• M18: 4,366,313 km (0.066 R)
• M19: 4,714,427 km (0.109 R)
• M20: 5,011,379 km (0.112 R)
• M21: 5,375,949 km (0.095 R)
• M22: 5,717,780 km (0.057 R)
• M23: 5,812,176 km (0.067 R)
• M24: 6,162,983 km (0.07 R)
• M25: 6,292,236 km (0.085 R)
• M26: 7,703,692 km (0.112 R)
• M27: 8,018,446 km (0.113 R)
• M28: 8,409,046 km (0.087 R)
• M29: 8,552,660 km (0.093 R)
• M30: 8,805,779 km (0.049 R)
• M31: 9,171,845 km (0.09 R)
• M32: 9,319,798 km (0.118 R)
• M33: 10,032,781 km (0.101 R)
• M34: 10,299,963 km (0.112 R)
• M35: 10,530,793 km (0.069 R)
• M36: 11,710,521 km (0.12 R)
• M37: 12,032,306 km (0.087 R)
• M38: 13,431,794 km (0.065 R)
• M39: 13,684,016 km (0.094 R)
• M40: 13,895,548 km (0.116 R)
• M41: 14,023,005 km (0.096 R)
• M42: 14,622,593 km (0.114 R)
• M43: 14,752,145 km (0.093 R)
• M44: 15,714,209 km (0.114 R)
• M45: 15,980,194 km (0.101 R)
• M46: 16,832,004 km (0.062 R)
• M47: 17,149,601 km (0.038 R)
• M48: 18,439,583 km (0.116 R)
• M49: 18,813,877 km (0.111 R)
• M50: 19,143,441 km (0.102 R)
• M51: 19,760,532 km (0.092 R)
• M52: 21,651,001 km (0.099 R)
• M53: 21,749,586 km (0.043 R)
• M54: 22,095,456 km (0.117 R)
• M55: 22,993,342 km (0.078 R)
• M56: 23,345,645 km (0.075 R)
• M57: 24,004,923 km (0.051 R)
• M58: 24,927,792 km (0.102 R)
• M59: 25,809,971 km (0.093 R)
• M60: 26,649,514 km (0.095 R)
• M61: 27,711,659 km (0.087 R)
• M62: 29,877,238 km (0.095 R)
• M63: 30,041,945 km (0.106 R)
• M64: 31,091,374 km (0.118 R)
• M65: 31,313,826 km (0.057 R)
• M66: 32,152,921 km (0.08 R)
• M67: 32,377,916 km (0.12 R)
• M68: 32,772,854 km (0.086 R)
• M69: 32,999,346 km (0.104 R)
• M70: 33,453,674 km (0.081 R)
• M71: 34,196,577 km (0.101 R)
• M72: 34,426,210 km (0.092 R)
• M73: 36,457,599 km (0.065 R)
• M74: 37,340,077 km (0.075 R)
• M75: 37,695,073 km (0.086 R)
• M76: 38,170,046 km (0.094 R)
• M77: 38,646,964 km (0.059 R)
• M78: 39,125,977 km (0.088 R)
• M79: 40,029,398 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 15,653 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit